Inert Gases

Q.

All inert gases have 8 electrons in their outermost shell.

1. True
2. False

Q.

Helium and argon are called _______ gases.

Q. Which of the following is used to make soda water as well as aerated soft drinks?

1. Methane.
2. Carbon monoxide.
3. Carbon dioxide.
4. Ethane.

Q. Noble gases are considered to be inert. Identify pair(s) of noble gases from the options:

1. Helium and Hydrogen
2. Neon and Argon
3. Helium and Neon
4. Nitrogen and Neon

Q.

Noble gases are considered to be inert. Identify pairs of noble gases from the options:

1. Helium and Hydrogen
2. Neon and Argon
3. Helium and Neon
4. Nitrogen and Neon

Q. Assertion: The group 18 consists of elements which are in gaseous state under ordinary conditions
Reason: All the elements of group 18 has stable configuration

1. Both assertion and reason are true and reason is the correct explanation of assertion
2. Assertion is true but reason is false
3. Both assertion and reason are false
4. Both assertion and reason are true but reason is not the correct explanation of assertion

Q.

The noble gases that constitute group 18 of the modern periodic table are also known as:

1. Inert Gases

2. Avert Gases

3. Covert Gases

4. Overt Gases

Q.

The noble gases that make up Group XVIII of the periodic table is also known as which of the following?

1. Avert Gases

2. Overt Gases

3. Covert Gases

4. Inert Gases

Q.

Noble gases are considered to be inert because they:

1. Chemically inactive
2. Does not react
3. Chemically stable
4. All of the above.

Q. Identify the gas that is chemically inert.

1. Helium
2. Oxygen
3. Fluorine
4. Hydrogen

Q. Assertion: Group 18 elements do not combine with any other elements.
Reason: All the elements of group 18 have a stable configuration.

1. Both assertion and reason are true and the reason is the correct explanation of assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of assertion.
3. The assertion is true but the reason is false.
4. Both assertion and reason are false.

Q. The elements having eight electrons in their outermost shell are called as _________________.

1. alkaline earth metals
2. alkali metals
3. halogens
4. noble gases

Q. Give one use for the following inert gases:

Q. Which one of the following is the most abundant element in the universe?

1. Nitrogen
2. Hydrogen
3. Oxygen
4. Silicon

Q.

Give the odd one out. Give reasons for your choice.

1. $\mathrm{Helium}$

2. $\mathrm{Neon}$

3. $\mathrm{Argon}$

4. $\mathrm{Magnesium}$